# Flo to Grow vs FourthTri

The clearest difference is update cadence: Flo to Grow at every 3 days against FourthTri's every 11 days. Flo to Grow also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flo to Grow sells 2 in-app purchases, starting at $59.99 per year and FourthTri sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flo to Grow ships an update every 3 days, FourthTri every 11 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Flo to Grow | FourthTri |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flo-to-grow/id6760560265/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 11 days |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Flo to Grow LLC](https://appshunter.io/developer/1884985428) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### Flo to Grow

[App page](https://appshunter.io/ios/app/flo-to-grow/id6760560265)

This app provides comprehensive birth and postpartum preparation, offering week-by-week guidance and support for expectant parents and their partners. It focuses on informed decision-making, recovery, and the identity shift of matrescence, all curated by an accredited doula.

**Highlights:** Birth plan preparation, Postpartum recovery guidance, Partner support resources, Matrescence identity shift education, Doula professional workspace, Decision-making framework (BRAIN)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flo to Grow — Care Team Access | $59.99 | per year |
| Flo to Grow Full Access | $34.99 | one-time |


### FourthTri

[App page](https://appshunter.io/ios/app/fourthtri-postpartum/id6792523331)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $49.99 | one-time |


## Frequently asked questions

### Is Flo to Grow free?

Flo to Grow is free to download, with in-app purchases available.

### Is FourthTri free?

FourthTri is free to download, with in-app purchases available.

### Do Flo to Grow or FourthTri have ads?

Neither Flo to Grow nor FourthTri shows ads.

### Which is updated more often, Flo to Grow or FourthTri?

Flo to Grow ships an update every 3 days, and FourthTri every 11 days. Most recently, Flo to Grow was updated on November 5, 2026 and FourthTri on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*